Free Access

Fig. 1


Download original image

Sampling points in lake Syczyńskie and the situation of studied lake in Poland (upper drawing); EM − emergent macrophytes, SM − submerged macrophytes, C − lake center. Lower drawings show the range of hornwort beds in 2006 and 2007.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.